SIGGRAPH raytacing talks

saw the email with the unreal tech talks comin up for siggraph
any news if this will be recorded and released to public?

from the email -
1 PM: Ray Tracing in Unreal Engine 4.23

Epic’s Juan Cañada, Lead Engineer, and Patrick Kelly, Senior Rendering Programmer, offer a close-up look at ray tracing in Unreal Engine 4.23, and demonstrate the processes and techniques for creating cinematic-quality real-time lighting.